<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    body{

        padding-top: 60px;
    }
    .first{
        width: 100%;
        height: 50px;
        border: 1px solid black;
        background-color: rgb(204,204,204);
        position: fixed;
        top: 0;
        left: 0;
        
    }
    .t{
        width: 1000px;
			height: 60px;
			margin: 0 auto;
    }
</style>
<body>
    <div class="first"><p>8888</p></div>
    <p class="t">888888888888888888888888888888888888</p>
</body>
</html>